sources.list 355 B

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  1. deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye main contrib non-free
  2. deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye-updates main contrib non-free
  3. deb https://mirrors.tuna.tsinghua.edu.cn/debian/ bullseye-backports main contrib non-free
  4. deb https://mirrors.tuna.tsinghua.edu.cn/debian-security bullseye-security main contrib non-free